CN103418722B - Processing method of carrying out rotary forging on forge pieces with high precision of truck hub - Google Patents
Processing method of carrying out rotary forging on forge pieces with high precision of truck hub Download PDFInfo
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- CN103418722B CN103418722B CN201310363640.4A CN201310363640A CN103418722B CN 103418722 B CN103418722 B CN 103418722B CN 201310363640 A CN201310363640 A CN 201310363640A CN 103418722 B CN103418722 B CN 103418722B
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- counterdie
- patrix
- forging
- bolster
- aluminium bar
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- 238000005242 forging Methods 0.000 title claims abstract description 75
- 238000003672 processing method Methods 0.000 title claims abstract description 17
- 239000004411 aluminium Substances 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000004080 punching Methods 0.000 claims abstract description 11
- 230000007423 decrease Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Forging (AREA)
Abstract
The invention relates to a processing method of carrying out rotary forging on forge pieces with high precision of a truck hub. The processing method is characterized by comprising the following steps of (1) heating an aluminium bar: taking the aluminium bar, adopting an aluminium bar heating furnace to heat the aluminium bar for 3 hours, and heating to be 420 DEG C-480 DEG C; (2) upsetting the aluminium bar: taking an oil press, arranging an upper moulded board and a lower moulded board in the oil press, presetting the height of the upper moulded board to be 150mm and the pressure of the upper moulded board to be 2,000 tons, and mould-pressing and upsetting the heat aluminium bar so as to obtain a rough blank; (3) rotary forging: putting the rough blank in a rotary forging machine, contacting the rough blank and a first upper mould line, and gradually mould-pressing to form a workblank; (4) ejecting the workblank: after the rotary forging machine descends to open a mould, ascending a first ejection rod to eject the workblank; (5) punching and chambering: grabbing the ejected workblank into a punching and chambering forging machine through a manipulator, punching and chambering the workblank through the punching and chambering forging machine, and obtaining the forge pieces with high precision.
Description
Technical field
The present invention relates to the processing method of formed clasp wheel hub high accuracy forging, relate to the processing method that rotation turns formed clasp wheel hub high accuracy forging especially.
Background technology
Existing formed clasp wheel hub high accuracy forging adopts heavy straight forging machine usually, vertically run by oil cylinder driven mold, mould is downwards to crude green body mold pressing, through repeatedly up and down reciprocatingly mold pressing, crude green body is molded into truck hub high accuracy forging, its shortcoming existed is: production efficiency is low, forging press volume is large, energy consumption is high, forging and stamping precision is low, and the consumption of metal is large, and production cost is high.
Summary of the invention
The object of the invention is the shortcoming existed to overcome prior art, providing a kind of equipment volume little, good rigidly, precision is high, and reduce metal wastage, mould structure is simple, easy to manufacture, easy for installation, reduce the processing method that production cost rotation turns formed clasp wheel hub high accuracy forging.
The technical scheme that rotation of the present invention turns the processing method of formed clasp wheel hub high accuracy forging is: it is characterized in that:
1., aluminium bar heating, get aluminium bar, adopt aluminum-bar heating furnace heating 3 hours is carried out to aluminium bar, be heated to 420 DEG C-480 DEG C;
2., aluminium bar jumping-up, get hydraulic press, arrange upper molded plate and lower moulded board in described hydraulic press, upper molded plate preset height is 150mm, pressure 2000 tons, and the aluminium bar after heating is carried out to mold pressing jumping-up and obtains crude green body;
3., rotation turns forging, getting crude green body Fang Ru rotation turns in forging machine, Suo Shu rotation turns forging machine and comprises the first upper bolster and the first die shoe, first cope match-plate pattern is installed under the first upper bolster, first patrix is installed under the first cope match-plate pattern, first upper bolster is connected by alignment pin with the first cope match-plate pattern, first cope match-plate pattern and the first patrix are by patrix locating piece and fix with bolt, described first upper bolster, first cope match-plate pattern and the first patrix are 5 ° of inclinations, first die shoe is installed the first lower bolster, first die shoe is connected with the first lower bolster by locating dowel, first lower bolster is arranged counterdie locating piece, first counterdie seated is fixed by counterdie locating piece stud and the first lower bolster, first counterdie seated connects the first low mold frame and the first counterdie, the first knock-pin is placed in first counterdie, described first patrix rotates around upper central axis, rotating speed is 170-175 revs/min, first counterdie rotates around lower central axis, rotating speed is 225-235 revs/min, first counterdie drives crude green body to rotate up motion, crude green body and the first patrix linear contact lay gradually mold pressing form blank, after first counterdie rises to blank compression molding, first counterdie rotates and declines,
4., blank ejects after ， rotation turns forging machine decline die sinking, and the first knock-pin rises and ejected by blank;
5., develop hole, by manipulator, the blank ejected crawl is put to developing in hole forging machine, the described hole forging machine that develops comprises the second upper bolster and the second die shoe, second upper bolster connects the second patrix, the second patrix top deck is fixed in second patrix, second patrix top deck is connected the second upper bolster by upper tringle with patrix center-pole, second patrix top deck connects drift connecting rod and spring guide pillar, drift connecting rod connects drift, the upper end of spring guide pillar is stuck on the second patrix top deck by spring guide pillar cap, lower end connects the second upper molded plate, there is the second knock-pin at the center of the second die shoe, under second knock-pin ejects connecting rod by second, seat connection ejects connecting rod, eject connecting rod and the second counterdie is fixed, tringle under second die shoe being placed one group, lower tringle upper end connects the second lower bolster, second lower bolster is placed the second counterdie, by developing hole forging machine, punching and expansion are carried out to blank, obtain high accuracy forging.
The invention discloses the processing method that Yi Zhong rotation turns formed clasp wheel hub high accuracy forging, first aluminium bar is put in heating furnace and heats 3 hours, the temperature of aluminium bar is made to reach 420 DEG C-480 DEG C, then the aluminium bar after heating is taken out, be put in the hydraulic press of 2000 tonnages, the upper molded plate of hydraulic press is promoted 150mm, upper molded plate is driven back and forth to press down by the oil cylinder of 2000 tonnages, aluminium bar mold pressing jumping-up after heating is obtained crude green body, the crude green body after jumping-up being put into rotation turns in forging machine again, rotation turns the first upper bolster of forging machine and the first patrix is 5 ° of inclinations, and around upper central axis with 170-175 revs/min of rotations, first die shoe, first lower bolster, first counterdie seated, first low mold frame and the first counterdie around lower central axis with 225-235 revs/min of rotations, and horizontally rotate rising gradually, the not synchronized in the same way rotation of first patrix and the first counterdie, when first counterdie drive crude green body be moved upward to contact with the first patrix time, crude green body is subject to the first patrix lower center rotation and turns extruding (as made dumpling wrappers), eccentricity pressure can be reduced, impel forging plastic deformation even, and the first counterdie keeps horizontally rotating at a high speed continuation rising, after reaching specified altitude assignment, blank is shaping, then the first die shoe, first lower bolster, first counterdie seated, first low mold frame and the first counterdie decline, decline process reduces rotary speed, drop to assigned address, first knock-pin afterbody touches the end, counterdie then continues to decline, blank ejects by the reaction force after utilizing the first knock-pin to touch the end, being put into by the blank ejected by manipulator develops in hole forging machine again, drive the second upper bolster descending by oil cylinder, second upper molded plate pushes down blank downwards, expanded by the macropore of the second patrix to blank, while expansion, the drift decline at center carries out punching in the middle of blank, obtain high accuracy forging, the expansion of blank and punching operation are unified, after execution expansion and puncture motion, second upper bolster drives the second patrix to move up, at this moment after after utilizing the compression of spring, springback capacity makes drift exit high accuracy forging, upper molded plate just leaves high accuracy forging, last by the second knock-pin by high accuracy forging ejection device.This Fang An rotation turns the processing method of formed clasp wheel hub high accuracy forging, and equipment volume is little, good rigidly, reduces metal wastage, mould structure is simple, easy to manufacture, easy for installation, reduces production cost, and forging precision is high, slitter edge is little, has good grain size and metal structure.
Rotation of the present invention turns the processing method of formed clasp wheel hub high accuracy forging, and the pressure of described second upper bolster is 150 tons.Develop hole forging machine and need arrange rational pressure, as pressure arranges excessive, forging can be caused to be out of shape, burn failure, pressure is too small, then reaming is not in place.
Accompanying drawing explanation
Figure 1 Shi rotation turns the structural representation of the processing method hydraulic press of formed clasp wheel hub high accuracy forging;
The Jia work Fang Fa rotation that figure 2 Shi rotation turns formed clasp wheel hub high accuracy forging turns the structural representation of forging machine;
The processing method that figure 3 Shi rotation turns formed clasp wheel hub high accuracy forging develops the structural representation that machine is forged in hole;
Fig. 4 the is aluminium bar---schematic diagram of crude green body---blank---high accuracy forging.
Detailed description of the invention
The present invention relates to the processing method that Yi Zhong rotation turns formed clasp wheel hub high accuracy forging, as shown in Fig. 1-Fig. 4, it is characterized in that:
1., aluminium bar heating, get aluminium bar 1, adopt aluminum-bar heating furnace heating 3 hours is carried out to aluminium bar, be heated to 420 DEG C-480 DEG C;
2., aluminium bar jumping-up, get hydraulic press, arrange upper molded plate 2 and lower moulded board (3) in described hydraulic press, upper molded plate preset height is 150mm, pressure 2000 tons, and the aluminium bar after heating is carried out to mold pressing jumping-up and obtains crude green body 4;
3., rotation turns forging, getting crude green body 4 Fang Ru rotation turns in forging machine, Suo Shu rotation turns forging machine and comprises the first upper bolster 5 and the first die shoe 6, first patrix 8 is installed under first upper bolster, first upper bolster 5 and the first patrix 8 are also fixed with bolt 11 by patrix locating piece 10, described first upper bolster 5 and the first patrix 8 are in 5 ° of inclinations, first die shoe 6 is installed the first lower bolster 12, first die shoe 6 is connected with the first lower bolster 12 by locating dowel 13, first lower bolster 12 arranges counterdie locating piece 14, first counterdie seated 15 is fixed by counterdie locating piece 14 stud 16 and the first lower bolster 12, first counterdie seated 15 connects the first low mold frame 17 and the first counterdie 18, the first knock-pin 19 is placed in first counterdie 18, described first patrix 8 rotates around upper central axis 20, rotating speed is 170-175 revs/min, first counterdie 18 rotates around lower central axis 21, rotating speed is 225-235 revs/min, first counterdie 18 drives crude green body 4 to rotate up motion, crude green body and the first patrix 8 linear contact lay gradually mold pressing form blank 22, after first counterdie rises to blank compression molding, first counterdie rotates and declines,
4., blank ejects after ， rotation turns forging machine decline die sinking, and the first knock-pin 19 rises and to be ejected by blank 22;
5., develop hole, by manipulator, the blank 22 ejected crawl is put to developing in hole forging machine, the described hole forging machine that develops comprises the second upper bolster 31 and the second die shoe 48, second upper bolster 31 connects the second patrix 35, the second patrix top deck 33 is fixed in second patrix 35, second patrix top deck 33 is connected the second upper bolster 31 by upper tringle 32 with patrix center-pole 37, second patrix top deck 33 connects drift connecting rod 36 and spring guide pillar 34, drift connecting rod 36 connects drift 39, the upper end of spring guide pillar 34 is stuck on the second patrix top deck 33 by spring guide pillar cap 38, lower end connects the second upper molded plate 40, there is the second knock-pin 49 at the center of the second die shoe 48, under second knock-pin 49 ejects connecting rod by second, seat 47 connection ejects connecting rod, eject connecting rod and the second counterdie 41 is fixed, tringle 46 under second die shoe 48 places one group, lower tringle 46 upper end connects the second lower bolster 44, second lower bolster 44 is placed the second counterdie 41, by developing hole forging machine, punching and expansion are carried out to blank, obtain high accuracy forging 50.
First aluminium bar 1 is put in heating furnace and heats 3 hours, the temperature of aluminium bar is made to reach 420 DEG C-480 DEG C, then the aluminium bar after heating is taken out, be put in the hydraulic press of 2000 tonnages, the upper molded plate 2 of hydraulic press is promoted 150mm, upper molded plate 2 is driven back and forth to press down by the oil cylinder of 2000 tonnages, aluminium bar mold pressing jumping-up after heating is obtained crude green body 4, the crude green body after jumping-up being put into rotation turns in forging machine again, rotation turns the first upper bolster 5 of forging machine and the first patrix 8 in 5 ° of inclinations, and around upper central axis 20 with 170-175 revs/min of rotations, first die shoe 6, first lower bolster 12, first counterdie seated 15, first low mold frame 17 and the first counterdie 18 around lower central axis 21 with 225-235 revs/min of rotations, and horizontally rotate rising gradually, first patrix 8 and the not synchronized in the same way rotation of the first counterdie 18, when first counterdie drive crude green body 4 be moved upward to contact with the first patrix 8 time, crude green body 4 is subject to the first patrix 8 lower center rotation and turns extruding (as made dumpling wrappers), eccentricity pressure can be reduced, impel forging plastic deformation even, and the first counterdie 18 keeps horizontally rotating at a high speed continuation rising, after reaching specified altitude assignment, blank 22 is shaping, then the first die shoe 6, first lower bolster 12, first counterdie seated 15, first low mold frame 17 and the first counterdie 18 decline, decline process reduces rotary speed, drop to assigned address, first knock-pin 19 afterbody touches the end, counterdie then continues to decline, blank 22 ejects by the reaction force after utilizing the first knock-pin to touch the end, being put into by the blank ejected by manipulator develops in hole forging machine again, drive the second upper bolster 31 descending by oil cylinder, second upper molded plate 40 pushes down blank 22 downwards, expanded by the macropore of the second patrix 35 pairs of blanks, while expansion, the drift 39 at center declines and carries out punching in the middle of blank, obtain high accuracy forging 50, the expansion of blank and punching operation are unified, after execution expansion and puncture motion, second upper bolster 31 drives the second patrix 35 to move up, at this moment after after utilizing the compression of spring, springback capacity makes drift 39 exit high accuracy forging 50, upper molded plate 40 just leaves high accuracy forging, last by the second knock-pin 49 by high accuracy forging ejection device.This Fang An rotation turns the processing method of formed clasp wheel hub high accuracy forging, and equipment volume is little, good rigidly, reduces metal wastage, mould structure is simple, easy to manufacture, easy for installation, reduces production cost, and forging precision is high, slitter edge is little, has good grain size and metal structure.The pressure of described second upper bolster 31 is 150 tons.Develop hole forging machine and need arrange rational pressure, as pressure arranges excessive, forging can be caused to be out of shape, burn failure, pressure is too small, then reaming is not in place.
Claims (2)
1. rotation turns the processing method of formed clasp wheel hub high accuracy forging, it is characterized in that:
1., aluminium bar heating, get aluminium bar (1), adopt aluminum-bar heating furnace heating 3 hours is carried out to aluminium bar, be heated to 420 DEG C-480 DEG C;
2., aluminium bar jumping-up, get hydraulic press, arrange upper molded plate (2) and lower moulded board (3) in described hydraulic press, upper molded plate preset height is 150mm, pressure 2000 tons, and the aluminium bar after heating is carried out to mold pressing jumping-up and obtains crude green body (4);
3., rotation turns forging, (4) Fang Ru rotation turn in forging machine to get crude green body, Suo Shu rotation turns forging machine and comprises the first upper bolster (5) and the first die shoe (6), first patrix (8) is installed under the first upper bolster, first upper bolster (5) and the first patrix (8) are by patrix locating piece (10) and fix with bolt (11), described first upper bolster (5) and the first patrix (8) are in 5 ° of inclinations, at upper installation first lower bolster (12) of the first die shoe (6), first die shoe (6) is connected with the first lower bolster (12) by locating dowel (13), first lower bolster (12) is arranged counterdie locating piece (14), first counterdie seated (15) is fixed by counterdie locating piece (14) stud (16) and the first lower bolster (12), first counterdie seated (15) connects the first low mold frame (17) and the first counterdie (18), the first knock-pin (19) is placed in first counterdie (18), described first patrix (8) rotates around upper central axis (20), rotating speed is 170-175 revs/min, first counterdie (18) rotates around lower central axis (21), rotating speed is 225-235 revs/min, first counterdie (18) drives crude green body (4) to rotate up motion, crude green body and the first patrix (8) linear contact lay gradually mold pressing form blank (22), after first counterdie rises to blank compression molding, first counterdie rotates and declines,
4., blank ejects after ， rotation turns forging machine decline die sinking, and the first knock-pin (19) rises and ejected by blank (22);
5., develop hole, by manipulator, the blank ejected (22) crawl is put to developing in hole forging machine, the described hole forging machine that develops comprises the second upper bolster (31) and the second die shoe (48), second upper bolster (31) connects the second patrix (35), the second patrix top deck (33) is fixed in second patrix (35), second patrix top deck (33) is connected the second upper bolster (31) by upper tringle (32) with patrix center-pole (37), second patrix top deck (33) connects drift connecting rod (36) and spring guide pillar (34), drift connecting rod (36) connects drift (39), the upper end of spring guide pillar (34) is stuck on the second patrix top deck (33) by spring guide pillar cap (38), lower end connects the second upper molded plate (40), there is the second knock-pin (49) at the center of the second die shoe (48), under second knock-pin (49) ejects connecting rod by second, seat (47) connection ejects connecting rod, eject connecting rod and the second counterdie (41) to fix, tringle (46) under the upper placement one group of second die shoe (48), lower tringle (46) upper end connects the second lower bolster (44), upper placement second counterdie (41) of second lower bolster (44), by developing hole forging machine, punching and expansion are carried out to blank, obtain high accuracy forging (50).
2., as claim 1 Suo Shu rotation turns the processing method of formed clasp wheel hub high accuracy forging, it is characterized in that: the pressure of described second upper bolster (31) is 150 tons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310363640.4A CN103418722B (en) | 2013-08-20 | 2013-08-20 | Processing method of carrying out rotary forging on forge pieces with high precision of truck hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310363640.4A CN103418722B (en) | 2013-08-20 | 2013-08-20 | Processing method of carrying out rotary forging on forge pieces with high precision of truck hub |
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| Publication Number | Publication Date |
|---|---|
| CN103418722A CN103418722A (en) | 2013-12-04 |
| CN103418722B true CN103418722B (en) | 2015-04-01 |
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| CN201310363640.4A Active CN103418722B (en) | 2013-08-20 | 2013-08-20 | Processing method of carrying out rotary forging on forge pieces with high precision of truck hub |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424406B (en) * | 2016-12-26 | 2018-08-17 | 安庆迪力机械铸造有限公司 | A kind of hot spinning expanding device |
| CN112719202B (en) * | 2020-12-08 | 2023-02-21 | 山西豪钢重工股份有限公司 | Integral forging and forming process for mining chain wheel |
| CN113145679A (en) * | 2021-05-14 | 2021-07-23 | 江苏中捷精工科技股份有限公司 | Anti-deformation belt pulley stretching equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191016039A (en) * | 1910-07-05 | 1911-08-24 | Edwin Elmer Slick | Improvements in or relating to Car Wheels. |
| JPS6221439A (en) * | 1985-07-18 | 1987-01-29 | Kobe Steel Ltd | Rotary forging device |
| JPH0716689A (en) * | 1993-07-01 | 1995-01-20 | Sumitomo Metal Ind Ltd | Production of wheel for railroad vehicle |
| JPH08164438A (en) * | 1994-12-12 | 1996-06-25 | Sumitomo Metal Ind Ltd | Forcing method of thin disk |
| JP3488986B2 (en) * | 1995-01-19 | 2004-01-19 | いすゞ自動車株式会社 | Rotary forging die |
| JP4616174B2 (en) * | 2003-08-11 | 2011-01-19 | ワシ興産株式会社 | Wheel manufacturing method and wheel |
| CN102950240A (en) * | 2011-08-22 | 2013-03-06 | 金刚 | Rotary swaging forming method for automobile aluminum alloy wheel hubs |
| CN102873252B (en) * | 2012-09-27 | 2015-07-15 | 天津市天锻压力机有限公司 | Forging process of large aluminum alloy hub |
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Address after: 318020 Huangyan Economic Development Zone, Zhejiang Province, food Park Patentee after: Zhejiang Hongxin Science and Technology Co.,Ltd. Address before: 318020 Huangyan Economic Development Zone, Zhejiang Province, food Park Patentee before: ZHEJIANG DICASTAL HONGXIN TECHNOLOGY CO.,LTD. |
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Denomination of invention: Processing method of carrying out rotary forging on forge pieces with high precision of truck hub Effective date of registration: 20200623 Granted publication date: 20150401 Pledgee: Taizhou Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: Zhejiang Hongxin Science and Technology Co.,Ltd. Registration number: Y2020330000384 |
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Denomination of invention: Processing method of high precision forging of truck hub by rotary forging Effective date of registration: 20220210 Granted publication date: 20150401 Pledgee: Agricultural Bank of China Limited Taizhou Branch Pledgor: Zhejiang Hongxin Technology Co.,Ltd. Registration number: Y2022330000199 |
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